Patent · US Expired

Method for the processing of fecal waste

US4486216A · kind A · utility

5Cited by
1References
24Claims
0Family size

Inventors

Key dates

Filing dateJul 1, 1983
Grant dateDec 4, 1984
Priority date
Expiry dateJul 1, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/40
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A method for the processing of fecal waste by treatment with mineral clay, characterized in that: PA0 A. a smectite clay, enriched with aerobic and anaerobic microorganisms, specific for the digestion of fecal waste, and with plant preparations which promote the increase of said microorganisms, and lime, is allowed to digest the fecal waste; and PA0 B. an acid phosphate is added to the fecal waste treated in this manner, after addition of the enriched smectite clay and shortly before use of the treated waste as a fertilizer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.